Posts Made By: Richard Keppler

Roland Christen said:

First of 4 Honders production astrographs now undergoing sky testing. This first image of M27 was made with 2 x 10 minute exposures each of RGB. The night unfortunately was very hazy so it is not as deep as it should be. Seeing was also not the best.

This first image shows the entire field of the STL11K camera with the astrograph's 1160mm focal length.

I will be testing each of the scopes over the next week or so, finalizing all the details as needed. I am very delighted by this first test, being that it is the culmination of a lot of work on everyone's part in our team.

Rolando

Thomas V Davis said:

Taking a little break from the vdB catalog, I decided to image NGC7023 again. I haven't done it since 2007. I really like this target since it was the target that got me interested in shooting dust.

This time I decided to image NGC7023 for a modest exposure time and stretch the data like crazy to see what dust I missed before. This is what I came up with:

http://www.tvdavisastropics.com/astroimages-1_0000ca.htm

The data was G2V balanced and care was taken to the histogram during the steps of processing so I think that the slight magenta cast in some of the stellar regions is true. Possibly an reddening effect of the intervening dust?

This is not your usual Iris; I hope you like it.

-Tom

Haydon Burns said:

Can anyone tell me what eyepiece works for the 8x50 finder by astro-physics?
Thanks,
Haydon